supervisor use to prevent the service process stops unexpectedly

Background: The public test server environment, service is always inexplicable process is stopped

Workaround: Use the supervisor conduct process management, the process is aborted when the service can automatically restart

Installation command:

sudo apt-get install supervisor

Process configuration, xxx.conf, examples of new content in /etc/supervisor/cond.d in:

[program:abc]
directory=/data/deploy/master/system/test_env/abc
command=/usr/bin/nohup bin/abc &
stdout_logfile=/etc/supervisor/conf.d/log.out
autostart=true
autorestart=true
startsecs=60
priority=1
stopasgroup=true
killasgroup=true

Process group configuration, modify /etc/supervisor/supervisord.conf, add the following configuration:

[group:XXXX]
programs = abc,bcd
priority = 999

To increase http_server (see the operation process in a browser), modify /etc/supervisor/supervisord.conf, add the following configuration:

[inet_http_server]         ; inet (TCP) server disabled by default
port=*:9001        ; (ip_address:port specifier, *:port for all iface)
username=****              ; (default is no username (open server))
password=****

Start command:

supervisord -c /etc/supervisor/supervisord.conf

common problem:

Run by non-root privileges supervisord error:

error: <class 'socket.error'>, [Errno 13] Permission denied: file: /usr/lib/python2.7/socket.py line: 224

Solution, modified as follows:

[unix_http_server]
file=/tmp/supervisor.sock   ; (the path to the socket file)
chmod=0766                 ; socket file mode (default 0700)